External battery pack for a portable computer



FIG. 1 is a perspective view of the design of this invention for an external battery pack for a portable computer, depicting the top, front and right side;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, with the left side elevational view being a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an external battery pack for a portable computer, as shown and described. 